Toro's TSM-8H is a 8-Station Expansion Module with High-Surge Protection from the TMC-424E Series. This 8-Station Expansion Module with High-Surge Protection has a flow rate of . This product has a pressure rating of . This item comes in a Black color scheme. This 8-station expansion is designed with High-Surge protection, and is for use with the TMC-424E Series Controllers.